The Starlight Xpress Universal Filter Wheel
The Starlight Xpress Universal Filter Wheel
The Starlight Xpress Universal Filter Wheel
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Handbook for the SX <strong>Universal</strong> <strong>Filter</strong> <strong>Wheel</strong> - Issue 1, May 2009Get <strong>Filter</strong> Total (which is 7):PC -> <strong>Filter</strong> <strong>Wheel</strong>, 0xA5, 0x03, 0x20, 0xC8<strong>Filter</strong> <strong>Wheel</strong> -> PC, 0xA5, 0x83, 0x37, 0x2F (after delay)Note: <strong>The</strong> ‘Get <strong>Filter</strong> Total’ command has a delay of several seconds beforethe response is sent back. This is the time taken for the wheel to completebetween one and two rotations. When completed, filter 1 is selected. Do notsend any new requests until the response is received. Any data sent during thisperiod would be read but then discarded.- 6 -